MTD 31AE663H401 To Stop Engine, To Engage Drive, To Engage Augers, Operating Tips, Recoil Starter

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When disconnecting the power cord, always unplug from the three-prong receptacle first, and then from the snow thrower.

Recoil Starter

Rotate choke knob to FULL choke position (cold engine start).

If engine is warm, place choke in OFF position instead of FULL.

Push primer button two or three times for cold engine start.

If engine is warm, push primer button only once.

NOTE: Always cover vent hole in primer button when pushing. Additional priming may be necessary for first start if temperature is below 15 degrees Fahrenheit.

Grasp starter handle and pull rope out slowly, until it pulls slightly harder. Let rope rewind slowly.

Pull starter handle rapidly. Do not allow handle to snap back. Allow it to rewind slowly while keeping a firm hold on the starter handle.

As engine warms up and begins to operate evenly, rotate choke knob slowly to OFF position. If engine falters, return to FULL choke, then slowly move to OFF position.

To Stop Engine

To stop engine, remove the ignition key. Do not turn

key. Disconnect the spark plug wire from the spark plug to prevent accidental starting while equipment is unattended.

To help prevent possible freeze-up of starter, proceed as follows:

Run engine for a few minutes before stopping to help dry off any moisture on the engine.

Electric Starter: Connect power cord to switch box on engine, then to 120 volt AC receptacle. With the engine running, push starter button and spin the starter for several seconds. The unusual sound made by spinning the starter will not harm engine or starter. Disconnect the power cord from receptacle first, and then from switch box.

Recoil Starter: With engine running, pull starter rope with a rapid, continuous full arm stroke three or four times. Pulling the starter rope will produce a loud clattering sound, which is not harmful to the engine or starter.

Wipe all snow and moisture from the carburetor cover in the area of the control levers. Also, move control levers back and forth several times. Leave throttle control lever in the STOP or OFF position. Leave choke control in the FULL choke position.

Remove ignition key and disconnect spark plug wire. Do not turn key.

IMPORTANT: Do not lose ignition key. Keep it in a safe place. Engine will not start without the ignition key.

To Engage Drive

With the engine running near top speed, move shift lever into one of the six forward positions or two reverse positions. Select a speed appropriate for the snow conditions that exist.

NOTE: Use the slower speeds until you are familiar with the operation of the snow thrower.

Squeeze the traction control against the right handle and the snow thrower will move. Release it and the drive motion will stop.

IMPORTANT: Never move shift lever without first releasing the traction control. Doing so will cause premature wear to drive system’s friction wheel rubber.

To Engage Augers

To engage the augers and start snow throwing, squeeze the auger control against the left handle.

To disengage augers, release both the auger control and the traction control, if engaged.

NOTE: The auger control can also be locked so that you can turn the chute directional control without interrupting snow throwing. Refer to previous section for details

Tire Chains (If equipped)

Tire chains should be used whenever extra traction is needed. Call our Customer Support Department, as instructed on Page 2, for information on tire chains and other optional accessories.

Operating Tips

NOTE: Allow the engine to warm up for a few minutes as the engine will not develop full power until it reaches operating temperature.

WARNING: Temperature of muffler and

surrounding areas may exceed 150oF. Avoid these areas.

For most efficient snow removal, remove snow immediately after it falls.

Discharge snow downwind whenever possible. Slightly overlap each previous swath.

Set the skid shoes 1/4" below the shave plate for normal usage.

Clean the snow thrower thoroughly after each use.

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Contents Operator’s Manual Table of Contents Operation Important Safe Operation PracticesTraining PreparationYour Responsibility Maintenance And StorageAssembling Handle Assembling Your Snow ThrowerUnpacking Loose PartsModel E633E Attaching Chute Directional ControlTraction Control and Shift Lever Final AdjustmentsModel 663H Chute Directional Control Support BracketTire Pressure Pneumatic Tires Skid ShoeKnow Your Snow Thrower To Start Engine Operating Your Snow ThrowerBefore Starting Gas and Oil Fill-UpOperating Tips To Stop EngineTo Engage Drive To Engage AugersTraction Control Chute AssemblyAuger Control Skid ShoeLubrication Maintaining Your Snow ThrowerDrive Wheels Shave Plate and Skid Shoes ServiceBelt Removal and Replacement Auger Housing SpringChanging Friction Wheel Rubber Drive BeltEngine AugersProblem Cause Remedy TroubleshootingParts List for Models E633 and E663 Part Description Models E633 and E663Drive Clutch Cable Part Description Ref. No Models E633 and E663 Ref. No Part Description Ref. No Part DescriptionRef. No. Part No Part Description Model E633Model E663 Model E633 Model E663 MANUFACTURER’S Limited Warranty for